BTR ASSEMBLED GM LT1 BASED SHORT BLOCK

 BTR is proud to announce our latest LTx offering. Starting with a new GM LT1 block, the blocks are CNC finished machined in our state of the art, In-House machine shop by our talented machinists. All critical engine tolerances are checked and documented before final assembly in one of our dedicated engine clean rooms to our precision specifications. Once this process is finished, these short blocks are assembled utilizing proven, quality rotating assembly components that are balanced before final assembly. If you decide to own one of these, be warned as they are expected to produce high horsepower pass after pass on your way to Victory Lane! 

****Please reach out to our experienced Sales team for help with any and all questions or advice on parts to complete your short block. ****

-These short blocks are rated for up to 1,000HP with the BTR rods and LT1 block, or 1,500HP with the CP rods and L8T block.
-See downloads for instructions and warranty info.

Components included:

- GM LT1 Engine Block, part number 19431901

OR GM L8T Engine Block, part number 19420904

- GM LSA Crankshaft, part number 12641691

OR Callies Compstar CCW 4.000" Stroke Crankshaft, part number 5TO-31Q-CS

- BTR 4340 Forged 6.125" H-Beam Rods (LT1), part number BTRROD6125H1-8

OR CP Bullet Series Forged 6.125" Connecting Rods (L8T), part number BCLSX-612571

- CP Bullet 4.070" Bore .6cc Dome Pistons (376ci), part number BLT-1001-005

OR 10cc Dish (416ci) Pistons, part number BLT-1006-005

- ACL Rod and Main Bearings

- Point One Main Studs, part number K040

- BTR Modified Crankshaft Gear